CN113357994B - Automatic detection device for internal flatness of ultrathin metal pipe fitting - Google Patents
Automatic detection device for internal flatness of ultrathin metal pipe fitting Download PDFInfo
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- CN113357994B CN113357994B CN202110741115.6A CN202110741115A CN113357994B CN 113357994 B CN113357994 B CN 113357994B CN 202110741115 A CN202110741115 A CN 202110741115A CN 113357994 B CN113357994 B CN 113357994B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
- G01B5/285—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces for controlling eveness
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an automatic detection device for the internal flatness of an ultrathin metal pipe fitting, which relates to the technical field of flatness detection and comprises a support assembly for supporting, wherein a positioning clamping assembly and a detection assembly are arranged on the support assembly, numerical value display module, supporting component is including the chassis that is used for supporting, the fixed information receiver who is used for receiving information that is provided with on the chassis, install the auxiliary unit that is used for the feed unit that drive location centre gripping subassembly removed and is used for supplementary metal pipe fitting location on the chassis, location centre gripping subassembly is including the clamping unit and the positioning unit who are used for centre gripping metal pipe fitting, detecting component includes power unit and the detecting element who is used for measuring the inside roughness of metal pipe fitting, detecting element includes planetary gear mechanism and the measuring mechanism who is used for the inside roughness of metal pipe fitting to detect, numerical value display module includes elastic mechanism and numerical value display mechanism.
Description
Technical Field
The invention relates to the technical field of flatness detection, in particular to an automatic detection device for the internal flatness of an ultrathin metal pipe fitting.
Background
The detection of the internal flatness of the ultrathin steel pipe is an important index for detecting the ultrathin steel pipe, and the detection precision is not high because the ultrathin pipe is easy to deform during detection due to the self characteristics of the ultrathin pipe.
The patent application No. 201520739006.0 provides a device for detecting car pipe fitting roughness, which comprises a workbench, a supporting device, clamping device, roughness detection device is including installing the fixing base on the workstation, install the mounting panel on the fixing base, install the detection device on the mounting panel, this patent passes through clamping device and roughness detection device and accomplishes the roughness detection of car pipe fitting class, but it does not carry out the detection of roughness to ultra-thin type steel pipe, this patent causes the damage of pipe fitting easily when the centre gripping pipe fitting, this patent can only measure the roughness when measuring the roughness whether qualified, can not measure concrete roughness numerical value, accommodation is less.
Disclosure of Invention
Aiming at the technical problem, the invention provides an automatic detection device for the internal flatness of an ultrathin metal pipe fitting, which comprises a support assembly for supporting, wherein a positioning clamping assembly, a detection assembly and a numerical value display assembly are arranged on the support assembly, the support assembly comprises a bottom frame for supporting, an information receiver for receiving information is fixedly arranged on the bottom frame, data information detected by the detection assembly is received by the information receiver, a feeding unit for driving the positioning clamping assembly to move and an auxiliary unit for assisting the positioning of the metal pipe fitting are arranged on the bottom frame, the positioning clamping assembly comprises a clamping unit and a positioning unit for clamping the metal pipe fitting, the positioning unit is arranged on the bottom frame, the clamping unit is fixedly arranged on the positioning unit, the detection assembly comprises a power unit and a detection unit for measuring the internal flatness of the metal pipe fitting, the utility model discloses a metal pipe fitting, including power unit, detecting element, measuring mechanism, planetary gear mechanism, measuring mechanism, numerical display subassembly, elastic mechanism and numerical display mechanism, the power unit is installed on the chassis, detecting element fixed mounting is on the power unit, detecting element and chassis are connected, detecting element includes planetary gear mechanism and the measuring mechanism who is used for the inside roughness of metal pipe fitting to detect, planetary gear mechanism installs on the chassis, measuring mechanism installs on planetary gear mechanism, power unit drives measuring unit through planetary gear mechanism and measures the roughness on metal pipe fitting is inside, the numerical display subassembly includes elastic mechanism and numerical display mechanism, reads the deviation value through numerical display mechanism, elastic mechanism and numerical display mechanism all install on the chassis, elastic mechanism and numerical display mechanism fixed connection.
Further, the feeding unit includes the feeding motor mounting panel, feeding motor mounting panel fixed mounting is on the chassis, fixed mounting has the feeding motor on the feeding motor mounting panel, fixed mounting has first lead screw on the output shaft of feeding motor, first lead screw and chassis rotate to be connected, first lead screw passes through threaded connection with the positioning unit, auxiliary unit includes auxiliary motor and second running roller, auxiliary motor fixed mounting is on the chassis, fixed mounting has the auxiliary drive axle on the output shaft of auxiliary motor, auxiliary drive axle and chassis rotate to be connected, the last fixed first running roller that is provided with of auxiliary drive axle, the second running roller rotates to be installed on the chassis, the second running roller is connected with first running roller, it has the arc wall to open on the chassis.
Furthermore, the positioning unit comprises a fixed plate, a groove plate and a positioning motor fixing seat, the fixed plate is slidably mounted on the chassis, the positioning motor fixing seat is fixedly mounted on the chassis, the fixed plate is connected with the first lead screw through threads, an adjusting cylinder is hinged on the fixed plate, a connecting shaft is fixedly mounted on a piston rod of the adjusting cylinder, a contact frame is fixedly mounted on the connecting shaft, an adjusting spring is fixedly mounted on the adjusting cylinder, the adjusting spring is fixedly connected with the connecting shaft, a positioning motor is fixedly mounted on the positioning motor fixing seat, a mandrel is fixedly mounted on an output shaft of the positioning motor, the mandrel is rotatably connected with the fixed plate, a cam is fixedly mounted on the mandrel, the mandrel is in clearance fit with the groove plate, the groove plate is slidably connected with the chassis, and the groove plate is in threaded connection with the first lead screw, the groove plate is connected with the contact frame in a sliding mode, and the clamping unit is fixedly installed on the mandrel.
Further, the clamping unit comprises a clamping cylinder fixing seat, a clamping cylinder and a connecting seat are fixedly arranged on the clamping cylinder fixing seat, a first connecting rod is hinged on the connecting seat, a supporting plate is hinged on the first connecting rod, a connecting frame mounting plate is fixedly arranged on a piston rod of the clamping cylinder, a sliding sleeve is fixedly arranged on the connecting seat and is in sliding connection with a piston rod of the clamping cylinder, the connecting frame mounting plate is fixedly provided with a connecting frame, the connecting frame is provided with a second connecting rod in a sliding way, the second connecting rod is hinged with the supporting plate, the first connecting rod and the second connecting rod are all provided with a plurality of groups, the circumferences of the groups are evenly distributed, the contact frame, the adjusting cylinder, the adjusting spring and the connecting shaft are all four and are evenly distributed on the circumference, the groove plate is provided with four sliding groove openings, and the groove plate is provided with threaded holes and elongated openings.
Further, the power unit includes driving motor and fixing base, driving motor's casing fixed mounting is on the chassis, driving motor's output shaft and chassis rotate to be connected, the fixed driving gear axle that is provided with on driving gear axle, the epaxial rotation of driving gear is provided with the swing board, it is provided with driven gear shaft to rotate on the swing board, swing board and elastic mechanism rotate to be connected, fixed shaft coupling and the driven gear of being provided with on the driven gear shaft, the fixed second drive shaft that is provided with on the shaft coupling, fixing base fixed mounting is on the chassis, second drive shaft and measuring unit fixed connection.
Furthermore, the measuring mechanism comprises a first driving shaft and a second lead screw, the first driving shaft is in clearance fit with the fixed seat, the first driving shaft is fixedly connected with the second driving shaft, a revolving body is fixedly arranged on the first driving shaft, the second lead screw is rotationally arranged on the revolving body and is connected with a coordinate measuring instrument through threads, the lower end of the coordinate measuring instrument is provided with a ball, the ball is connected with the inside of the metal pipe fitting in a rolling way, an encoder for measuring the coordinate direction is fixedly arranged on one side of the coordinate measuring instrument, the planetary gear mechanism comprises a second gear, a first gear and a gear ring, the gear ring is fixedly arranged on the fixed seat, the second gear is fixedly arranged on the second lead screw, the first gear is fixedly arranged on the first driving shaft, and the first gear and the gear ring are in meshed connection with the second gear.
Further, elastic mechanism includes compression spring connecting block and connecting rod, compression spring connecting block fixed mounting is on the chassis, fixed mounting has compression spring on the compression spring connecting block, the connecting rod rotates and installs on the swinging plate, fixed mounting has connecting rod sleeve and reading module connecting block on the connecting rod, reading module connecting block and compression spring fixed connection, reading module connecting block and numerical value display mechanism fixed connection, numerical value display mechanism is including fixed slide caliper rule and scale plate, the equal fixed mounting of fixed slide caliper rule and scale plate has the reading module on the chassis, slidable mounting has the reading module on the fixed slide caliper rule, reading module and reading module connecting block fixed connection.
Compared with the prior art, the invention has the beneficial effects that: (1) the flatness inside the ultrathin pipe fitting is measured by two measuring modes, namely the detection assembly and the numerical value display assembly, so that the individual requirements are met, and the measuring efficiency and precision are improved; (2) the positioning clamping assembly can fixedly clamp the pipe fitting from the inside of the pipe fitting, so that the pipe fitting is not damaged; (3) according to the invention, the centering adjustment of the pipe fitting is completed through the contact of the cam and the contact frame, and the clearance fit of the mandrel is used as the allowance of the centering adjustment, so that the measurement precision is improved.
Drawings
Fig. 1 and 2 are overall schematic views of the present invention.
Fig. 3, 7 and 9 are partial schematic views of the present invention.
FIG. 4 is a schematic view of a positioning and clamping assembly according to the present invention.
Fig. 5 and 6 are partial schematic views of the positioning and clamping assembly of the present invention.
Fig. 8 and 10 are partially enlarged schematic views of the present invention.
Fig. 11 is a schematic view of the undercarriage of the present invention.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, an automatic detection device for internal flatness of ultra-thin metal pipe fittings comprises a support assembly 1 for supporting, wherein the support assembly 1 is provided with a positioning and clamping assembly 2, a detection assembly 3, and a numerical value display assembly 4, the support assembly 1 comprises a base frame 101 for supporting, an information receiver 109 for receiving information is fixedly arranged on the base frame 101, the base frame 101 is provided with a feeding unit for driving the positioning and clamping assembly 2 to move and an auxiliary unit for assisting in positioning the metal pipe fittings, the positioning and clamping assembly 2 comprises a clamping unit for clamping the metal pipe fittings and a positioning unit, the positioning unit is arranged on the base frame 101, the clamping unit is fixedly arranged on the positioning unit, the detection assembly 3 comprises a power unit and a detection unit for measuring the internal flatness of the metal pipe fittings, the power unit is installed on the base frame 101, the detection unit is fixedly installed on the power unit, the detection unit is connected with the base frame 101, the detection unit comprises a planetary gear mechanism and a measuring mechanism used for detecting the internal flatness of the metal pipe fitting, the planetary gear mechanism is installed on the base frame 101, the measuring mechanism is installed on the planetary gear mechanism, the power unit drives the measuring unit to measure the flatness on the internal part of the metal pipe fitting through the planetary gear mechanism, the numerical value display assembly 4 comprises an elastic mechanism and a numerical value display mechanism, the elastic mechanism and the numerical value display mechanism are both installed on the base frame 101, and the elastic mechanism and the numerical value display mechanism are fixedly connected.
As shown in fig. 1, 2, 3 and 11, the feeding unit includes a feeding motor mounting plate 107, the feeding motor mounting plate 107 is fixedly mounted on the base frame 101, a feeding motor 106 is fixedly mounted on the feeding motor mounting plate 107, a first lead screw 105 is fixedly mounted on an output shaft of the feeding motor 106, the first lead screw 105 is rotatably connected with the base frame 101, the first lead screw 105 is connected with the positioning unit through a thread, the auxiliary unit includes an auxiliary motor 104 and a second roller 108, the auxiliary motor 104 is fixedly mounted on the base frame 101, an auxiliary driving shaft 102 is fixedly mounted on an output shaft of the auxiliary motor 104, the auxiliary driving shaft 102 is rotatably connected with the base frame 101, a first roller 103 is fixedly disposed on the auxiliary driving shaft 102, a second roller 108 is rotatably mounted on the base frame 101, the second roller 108 is connected with the first roller 103, and an arc-shaped groove is formed on the base frame 101.
As shown in fig. 3, 4, 5 and 6, the positioning unit includes a fixing plate 201, a slot plate 203 and a positioning motor fixing seat 210, the fixing plate 201 is slidably mounted on the base frame 101, the positioning motor fixing seat 210 is fixedly mounted on the base frame 101, the fixing plate 201 is connected with the first lead screw 105 through a thread, an adjusting cylinder 206 is hinged on the fixing plate 201, a connecting shaft 208 is fixedly mounted on a piston rod of the adjusting cylinder 206, a contact frame 205 is fixedly mounted on the connecting shaft 208, an adjusting spring 207 is fixedly mounted on the adjusting cylinder 206, the adjusting spring 207 is fixedly connected with the connecting shaft 208, a positioning motor 209 is fixedly mounted on the positioning motor fixing seat 210, a mandrel 204 is fixedly mounted on an output shaft of the positioning motor 209, the mandrel 204 is rotatably connected with the fixing plate 201, a cam 202 is fixedly mounted on the mandrel 204, the mandrel 204 is in clearance fit with the slot plate 203, and the slot plate 203 is slidably connected with the base frame 101, the groove plate 203 and the first lead screw 105 are connected through threads, the groove plate 203 and the contact frame 205 are connected in a sliding mode, and the clamping unit is fixedly installed on the mandrel 204.
The clamping unit comprises a clamping cylinder fixing seat 211, a clamping cylinder 212 and a connecting seat 213 are fixedly installed on the clamping cylinder fixing seat 211, a first connecting rod 215 is hinged on the connecting seat 213, a supporting plate 214 is hinged on the first connecting rod 215, a connecting frame installing plate 219 is fixedly installed on a piston rod of the clamping cylinder 212, a sliding sleeve 218 is fixedly installed on the connecting seat 213 and is in sliding connection with the piston rod of the clamping cylinder 212, a connecting frame 217 is fixedly installed on the connecting frame installing plate 219, a second connecting rod 216 is slidably installed on the connecting frame 217, the second connecting rod 216 is hinged with the supporting plate 214, the first connecting rod 215 and the second connecting rod 216 are all provided with a plurality of groups, the circumferences of the groups are uniformly distributed, and the contact frame 205, the number of the adjusting cylinders 206, the number of the adjusting springs 207 and the number of the connecting shafts 208 are four, the circumferences of the adjusting cylinders, the adjusting springs and the connecting shafts are evenly distributed, four sliding groove openings are formed in the groove plate 203, and threaded holes and elongated openings are formed in the groove plate 203.
As shown in fig. 7, 8, 9 and 10, the power unit includes a driving motor 301 and a fixing base 315, a housing of the driving motor 301 is fixedly mounted on the bottom chassis 101, an output shaft of the driving motor 301 is rotatably connected with the bottom chassis 101, a driving gear shaft 316 is fixedly disposed on the output shaft of the driving motor 301, a swing plate 302 is rotatably disposed on the driving gear shaft 316, a driven gear shaft 304 is rotatably disposed on the swing plate 302, the swing plate 302 is rotatably connected with the elastic mechanism, a coupling 305 and a driven gear 312 are fixedly disposed on the driven gear shaft 304, a second driving shaft 311 is fixedly disposed on the coupling 305, the fixing base 315 is fixedly mounted on the bottom chassis 101, and the second driving shaft 311 is fixedly connected with the measuring unit.
The measuring mechanism comprises a first driving shaft 306 and a second lead screw 308, the first driving shaft 306 is in clearance fit with a fixed seat 315, the first driving shaft 306 is fixedly connected with a second driving shaft 311, a revolving body 314 is fixedly installed on the first driving shaft 306, the second lead screw 308 is rotatably installed on the revolving body 314, a coordinate measuring instrument 313 is connected onto the second lead screw 308 through threads, a ball is installed at the lower end of the coordinate measuring instrument 313 and is in rolling connection with the inside of a metal pipe, an encoder used for measuring the coordinate direction is fixedly installed on one side of the coordinate measuring instrument 313, the planetary gear mechanism comprises a second gear 307, a first gear 309 and a gear ring 310, the gear ring 310 is fixedly installed on the fixed seat 315, the second gear 307 is fixedly installed on the second lead screw 308, the first gear 309 is fixedly installed on the first driving shaft 306, and the first gear 309 and the gear ring 310 are both in meshing connection with the second gear 307.
During initial installation, the center of the mandrel 204 is aligned with the center of the first driving shaft 306, a metal pipe fitting to be measured for flatness is placed in an arc-shaped groove of the bottom frame 101, the clamping cylinder 212 is started, a piston rod of the clamping cylinder 212 drives the connecting frame mounting plate 219 to move, the connecting frame mounting plate 219 drives the connecting frame 217 to move, the connecting frame 217 drives the supporting plate 214 to swing on the first connecting rod 215 through the second connecting rod 216, so that the supporting plate 214 is attached to the inside of the metal pipe fitting, the auxiliary motor 104 is started, an output shaft of the auxiliary motor 104 drives the first roller 103 to rotate through the auxiliary driving shaft 102, and the first roller 103 drives the second roller 108 to rotate to abut against the metal pipe fitting so as to prevent the metal pipe fitting from moving;
starting a positioning motor 209, wherein an output shaft of the positioning motor 209 drives a cam 202 to rotate through a mandrel 204, when the edge of the cam 202 is in contact with a contact frame 205, the deviation exists between the center of the mandrel 204 and the center of a first driving shaft 306, starting an adjusting cylinder 206, a piston rod of the adjusting cylinder 206 drives the contact frame 205 to slide through a connecting shaft 208, and the contact frame 205 drives the mandrel 204 to move on a slot plate 203 through the cam 202, so that the center of the mandrel 204 is overlapped with the center of the first driving shaft 306; the feeding motor 106 is started, the output shaft of the feeding motor 106 drives the fixing plate 201 to move through the first lead screw 105, and the fixing plate 201 drives the metal pipe fitting to move to the position of the measuring mechanism through the clamping unit.
The driving motor 301 is started, an output shaft of the driving motor 301 drives the driving gear 303 to rotate through the driving gear shaft 316, the driving gear 303 drives the driven gear shaft 304 to rotate through the driven gear 312, the driven gear shaft 304 drives the second driving shaft 311 to rotate through the coupler 305, the second driving shaft 311 drives the first gear 309 and the revolving body 314 to rotate through the first driving shaft 306, the first gear 309 drives the second gear 307 to rotate, the revolving body 314 drives the balls on the coordinate measuring instrument 313 to rotate on the inside of the metal pipe fitting, the second lead screw 308 drives the balls on the coordinate measuring instrument 313 to move on the inside of the metal pipe fitting, the encoder on the coordinate measuring instrument 313 measures the coordinate direction of the balls, the coordinate measuring instrument 313 collects the coordinate information of the balls moving on the inside of the metal pipe fitting and sends the coordinate information to the information receiver 109 for data processing, and accordingly the flatness inside the metal pipe fitting is calculated.
Elastic mechanism includes compression spring connecting block 404 and connecting rod 406, compression spring connecting block 404 fixed mounting is on chassis 101, fixed mounting has compression spring 405 on the compression spring connecting block 404, connecting rod 406 rotates and installs on swinging plate 302, fixed mounting has connecting rod sleeve 407 and reading module connecting block 408 on the connecting rod 406, reading module connecting block 408 and compression spring 405 fixed connection, reading module connecting block 408 and numerical value display mechanism fixed connection, numerical value display mechanism includes fixed slide caliper 401 and scale plate 403, fixed slide caliper 401 and scale plate 403 all fixed mounting are on chassis 101, slidable mounting has reading module 402 on fixed slide caliper 401, reading module 402 and reading module connecting block 408 fixed connection.
When the interior of the metal pipe fitting is uneven, the balls bounce, the coordinate measuring machine 313 drives the second lead screw 308 to deflect, the second lead screw 308 drives the first driving shaft 306 to deflect on the second driving shaft 311 through the revolving body 314, and then drives the swinging plate 302 to swing through the second driving shaft 311, the coupler 305 and the driven gear shaft 304, the swinging plate 302 drives the reading module connecting block 408 to move through the connecting rod 406, the reading module connecting block 408 drives the reading module 402 to move on the scale plate 403, so that the moving numerical value is read on the scale plate 403, the flatness inside the metal pipe fitting is calculated through the moving numerical value, and when the balls do not bounce, the compression spring 405 drives the reading module 402 to reset through the reading module connecting block 408.
Claims (3)
1. The utility model provides an inside roughness automatic checkout device of ultra-thin metal pipe fitting, is including the supporting component who is used for the support, its characterized in that: the supporting assembly is provided with a positioning clamping assembly, a detection assembly and a numerical value display assembly;
the supporting assembly comprises a bottom frame for supporting, an information receiver for receiving information is fixedly arranged on the bottom frame, and a feeding unit for driving the positioning and clamping assembly to move and an auxiliary unit for assisting the positioning of the metal pipe fitting are arranged on the bottom frame;
the positioning and clamping assembly comprises a clamping unit and a positioning unit, the clamping unit is used for clamping the metal pipe fitting, the positioning unit is arranged on the underframe, and the clamping unit is fixedly arranged on the positioning unit;
the detection assembly comprises a power unit and a detection unit for measuring the internal flatness of the metal pipe fitting, the power unit is mounted on an underframe, the detection unit is fixedly mounted on the power unit and connected with the underframe, the detection unit comprises a planetary gear mechanism and a measurement mechanism for detecting the internal flatness of the metal pipe fitting, the planetary gear mechanism is mounted on the underframe, the measurement mechanism is mounted on the planetary gear mechanism, and the power unit drives the measurement unit to measure the flatness on the internal part of the metal pipe fitting through the planetary gear mechanism;
the numerical value display assembly comprises an elastic mechanism and a numerical value display mechanism, the elastic mechanism and the numerical value display mechanism are both arranged on the bottom frame, and the elastic mechanism is fixedly connected with the numerical value display mechanism;
the feeding unit comprises a feeding motor mounting plate, the feeding motor mounting plate is fixedly mounted on an underframe, a feeding motor is fixedly mounted on the feeding motor mounting plate, a first lead screw is fixedly mounted on an output shaft of the feeding motor and is in rotational connection with the underframe, the first lead screw is in threaded connection with the positioning unit, the auxiliary unit comprises an auxiliary motor and a second roller wheel, the auxiliary motor is fixedly mounted on the underframe, an auxiliary driving shaft is fixedly mounted on the output shaft of the auxiliary motor and is in rotational connection with the underframe, the auxiliary driving shaft is fixedly provided with the first roller wheel, the second roller wheel is rotatably mounted on the underframe and is connected with the first roller wheel, and an arc-shaped groove is formed in the underframe;
the positioning unit comprises a fixed plate, a groove plate and a positioning motor fixing seat, the fixed plate is slidably mounted on the chassis, the positioning motor fixing seat is fixedly mounted on the chassis, the fixed plate is connected with the first lead screw through threads, an adjusting cylinder is hinged on the fixed plate, a connecting shaft is fixedly mounted on a piston rod of the adjusting cylinder, a contact frame is fixedly mounted on the connecting shaft, an adjusting spring is fixedly mounted on the adjusting cylinder, the adjusting spring is fixedly connected with the connecting shaft, a positioning motor is fixedly mounted on the positioning motor fixing seat, a mandrel is fixedly mounted on an output shaft of the positioning motor, the mandrel is rotatably connected with the fixed plate, a cam is fixedly mounted on the mandrel, the mandrel is in clearance fit with the groove plate, the groove plate is slidably connected with the chassis, and the groove plate is in threaded connection with the first lead screw, the groove plate is connected with the contact frame in a sliding mode, and the clamping unit is fixedly arranged on the mandrel;
the clamping unit comprises a clamping cylinder fixing seat, a clamping cylinder and a connecting seat are fixedly arranged on the clamping cylinder fixing seat, a first connecting rod is hinged on the connecting seat, a supporting plate is hinged on the first connecting rod, a connecting frame mounting plate is fixedly arranged on a piston rod of the clamping cylinder, a sliding sleeve is fixedly arranged on the connecting seat and is in sliding connection with a piston rod of the clamping cylinder, the connecting frame mounting plate is fixedly provided with a connecting frame, the connecting frame is provided with a second connecting rod in a sliding way, the second connecting rod is hinged with the supporting plate, the first connecting rod and the second connecting rod are all provided with a plurality of groups, the circumferences of the groups are evenly distributed, the contact frame, the adjusting cylinder, the adjusting spring and the connecting shaft are all four and are evenly distributed on the circumference, the groove plate is provided with four sliding groove openings, and the groove plate is provided with threaded holes and elongated openings;
elastic mechanism includes compression spring connecting block and connecting rod, compression spring connecting block fixed mounting is on the chassis, fixed mounting has compression spring on the compression spring connecting block, the connecting rod rotates and installs on the swinging plate, fixed mounting has connecting rod sleeve and reading module connecting block on the connecting rod, reading module connecting block and compression spring fixed connection, reading module connecting block and numerical value display mechanism fixed connection, numerical value display mechanism includes fixed slide caliper rule and scale plate, the equal fixed mounting of fixed slide caliper rule and scale plate is on the chassis, slidable mounting has the reading module on the fixed slide caliper rule, reading module and reading module connecting block fixed connection.
2. The automatic detection device for the internal flatness of the ultrathin metal pipe fitting as claimed in claim 1, characterized in that: the power unit comprises a driving motor and a fixing seat, a shell of the driving motor is fixedly installed on the bottom frame, an output shaft of the driving motor is connected with the bottom frame in a rotating mode, a driving gear shaft is fixedly arranged on the output shaft of the driving motor, a swinging plate is arranged on the driving gear shaft in a rotating mode, a driven gear shaft is arranged on the swinging plate in a rotating mode, the swinging plate is connected with the elastic mechanism in a rotating mode, a shaft coupler and a driven gear are fixedly arranged on the driven gear shaft, a second driving shaft is fixedly arranged on the shaft coupler, the fixing seat is fixedly installed on the bottom frame, and the second driving shaft is fixedly connected with the measuring unit.
3. The automatic detection device for the internal flatness of the ultrathin metal pipe fitting as claimed in claim 2, characterized in that: the measuring mechanism comprises a first driving shaft and a second lead screw, the first driving shaft is in clearance fit with the fixed seat, the first driving shaft is fixedly connected with the second driving shaft, a revolving body is fixedly arranged on the first driving shaft, the second lead screw is rotationally arranged on the revolving body and is connected with a coordinate measuring instrument through threads, the lower end of the coordinate measuring instrument is provided with a ball, the ball is connected with the inside of the metal pipe fitting in a rolling way, an encoder for measuring the coordinate direction is fixedly arranged on one side of the coordinate measuring instrument, the planetary gear mechanism comprises a second gear, a first gear and a gear ring, the gear ring is fixedly arranged on the fixed seat, the second gear is fixedly arranged on the second lead screw, the first gear is fixedly arranged on the first driving shaft, and the first gear and the gear ring are in meshed connection with the second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741115.6A CN113357994B (en) | 2021-06-30 | 2021-06-30 | Automatic detection device for internal flatness of ultrathin metal pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741115.6A CN113357994B (en) | 2021-06-30 | 2021-06-30 | Automatic detection device for internal flatness of ultrathin metal pipe fitting |
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| Publication Number | Publication Date |
|---|---|
| CN113357994A CN113357994A (en) | 2021-09-07 |
| CN113357994B true CN113357994B (en) | 2022-01-18 |
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| CN202110741115.6A Active CN113357994B (en) | 2021-06-30 | 2021-06-30 | Automatic detection device for internal flatness of ultrathin metal pipe fitting |
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| CN116123978A (en) * | 2022-12-15 | 2023-05-16 | 淮安市胜杰液压机械有限公司 | Detection device for hydraulic part |
| CN117428037B (en) * | 2023-11-07 | 2024-06-28 | 江苏亚盛金属制品有限公司 | Metal hollow bar surface non-uniformity detection device |
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| CN111721217A (en) * | 2020-05-28 | 2020-09-29 | 南京航空航天大学 | Method and device for measuring inner diameter of pipe shell based on photoelectric sensing |
| CN212158417U (en) * | 2020-06-18 | 2020-12-15 | 潍坊钰城机械有限公司 | Device for detecting inner diameter roundness of groove pipe fitting |
| CN112524491A (en) * | 2020-12-07 | 2021-03-19 | 浙江国际海运职业技术学院 | Multifunctional pipeline detection device |
| CN112629373B (en) * | 2021-01-05 | 2023-04-28 | 湖北省鄂西地质测绘队有限公司 | Pipeline internal diameter and flatness accurate measurement device capable of automatically adjusting bracket position |
| CN113048867A (en) * | 2021-03-10 | 2021-06-29 | 夏剑宇 | High-strength composite pipe performance test system and test method |
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2021
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